EA200301212A1 - Насос винтового типа с гидравлическим уплотнением - Google Patents

Насос винтового типа с гидравлическим уплотнением

Info

Publication number
EA200301212A1
EA200301212A1 EA200301212A EA200301212A EA200301212A1 EA 200301212 A1 EA200301212 A1 EA 200301212A1 EA 200301212 A EA200301212 A EA 200301212A EA 200301212 A EA200301212 A EA 200301212A EA 200301212 A1 EA200301212 A1 EA 200301212A1
Authority
EA
Eurasian Patent Office
Prior art keywords
pump
screw pump
hydraulic seal
liquid
outlet
Prior art date
Application number
EA200301212A
Other languages
English (en)
Other versions
EA005439B1 (ru
Inventor
Олав Хофсет
Original Assignee
Етс Ас
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19912506&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EA200301212(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Етс Ас filed Critical Етс Ас
Publication of EA200301212A1 publication Critical patent/EA200301212A1/ru
Publication of EA005439B1 publication Critical patent/EA005439B1/ru

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/02—Liquid sealing for high-vacuum pumps or for compressors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C7/00—Rotary-piston machines or pumps with fluid ring or the like

Abstract

Насос винтового типа с гидравлическим уплотнением содержит корпус (3) с впуском (2) и выпуском (6) и расположенный в корпусе винтовой ротор (7), приводимый во вращение двигателем (8). Выпуск (6) насоса (3) снабжен резервуаром (4) для уплотнительной жидкости, служащим для подачи жидкости в насос и тем самым сохранения гидравлического уплотнения при работе насоса вхолостую.Международная заявка была опубликована вместе с отчетом о международном поиске.
EA200301212A 2001-05-29 2002-05-29 Насос винтового типа с гидравлическим уплотнением EA005439B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20012641A NO314734B3 (no) 2001-05-29 2001-05-29 Væskeringspumpe av skruetypen
PCT/NO2002/000188 WO2002097275A1 (en) 2001-05-29 2002-05-29 Liquid seal pump of the helical screw type

Publications (2)

Publication Number Publication Date
EA200301212A1 true EA200301212A1 (ru) 2004-06-24
EA005439B1 EA005439B1 (ru) 2005-02-24

Family

ID=19912506

Family Applications (1)

Application Number Title Priority Date Filing Date
EA200301212A EA005439B1 (ru) 2001-05-29 2002-05-29 Насос винтового типа с гидравлическим уплотнением

Country Status (12)

Country Link
US (1) US7029231B2 (ru)
EP (1) EP1397595B1 (ru)
JP (1) JP2005506482A (ru)
AT (1) ATE383517T1 (ru)
CA (1) CA2449158C (ru)
DE (1) DE60224531T2 (ru)
DK (1) DK1397595T3 (ru)
EA (1) EA005439B1 (ru)
ES (1) ES2300461T3 (ru)
NO (1) NO314734B3 (ru)
WO (1) WO2002097275A1 (ru)
ZA (1) ZA200309131B (ru)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO318776B1 (no) * 2003-05-07 2005-05-02 Jets As Anordning ved vaeskeringspumpe av skruetypen
US20090217448A1 (en) * 2008-02-28 2009-09-03 Hall David R Human Waste System
FI126831B (fi) * 2010-04-14 2017-06-15 Evac Oy Nesterengaspumppu ja menetelmä nesterengaspumpun käyttämiseksi
WO2012115521A1 (en) * 2011-02-22 2012-08-30 Jets Invest As Vacuum sewage system improvement
EP2870365A4 (en) * 2012-07-09 2016-03-23 Jets As DESIGN OF A LIQUID RING SCREW PUMP
DE102016109907A1 (de) 2016-05-27 2017-11-30 Bilfinger Water Technologies Gmbh Verfahren zum Betrieb einer Vakuumpumpe sowie Vakuumpumpenanordnung
CN108361204A (zh) * 2018-04-25 2018-08-03 丹东晟辉石化设备有限公司 抗抽空防颗粒型磁力泵

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB966752A (en) * 1959-09-08 1964-08-12 Svenska Rotor Maskiner Ab Improvements in and relating to screw rotor compressors or vacuum pumps
US3301474A (en) * 1965-09-24 1967-01-31 Bendix Balzers Vacuum Inc Oil sealed mechanical rotary vacuum pump
US3575539A (en) * 1968-11-27 1971-04-20 United States Steel Corp Apparatus for suppressing vibration in a helical-rotor axial-flow compressor supplied with sealing water
CA940897A (en) * 1969-09-11 1974-01-29 Norman L. Foley Vacuum pump
NO165502C (no) * 1987-04-13 1991-02-20 Jets Systemer As Oppsamlingsanordning for vakuumavloepssystem.

Also Published As

Publication number Publication date
US20040184911A1 (en) 2004-09-23
DE60224531D1 (de) 2008-02-21
CA2449158A1 (en) 2002-12-05
JP2005506482A (ja) 2005-03-03
CA2449158C (en) 2008-06-17
EA005439B1 (ru) 2005-02-24
ZA200309131B (en) 2005-03-30
NO20012641D0 (no) 2001-05-29
ATE383517T1 (de) 2008-01-15
NO20012641L (no) 2002-12-02
WO2002097275A1 (en) 2002-12-05
US7029231B2 (en) 2006-04-18
NO314734B1 (no) 2003-05-12
EP1397595A1 (en) 2004-03-17
NO314734B3 (no) 2003-05-12
ES2300461T3 (es) 2008-06-16
DE60224531T2 (de) 2008-05-21
DK1397595T3 (da) 2008-05-19
EP1397595B1 (en) 2008-01-09

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Legal Events

Date Code Title Description
MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AM AZ KZ KG MD TJ TM